Funding for this research was provided by:
National Institutes of Health (R01 NS040408)
Received: 7 January 2019
Accepted: 18 December 2019
First Online: 28 December 2019
Ethics approval and consent to participate
: All animal-related experiments were approved by the institutional animal care and use committee (IACUC) of Southern Methodist University (Protocol A14-007) and performed in strict accordance with NIH guidelines. All efforts were made to minimize the number of animals used.
: Not applicable.
: The authors declare that they have no competing interests.